TABLE VI.

Experimental results of three equal and unequal age groups in terms of MAE. CF: coarse-to-fine framework.

Method				Overall MAE (days)
Equally divided groups (days)	<248	248–394	>394
Subject number	83	83	82
BC-GCN-SE	46.89	38.52	99.26	61.40
BC-GCN-SE with CF	31.37	38.90	88.09	53.33
Unequally divided groups (days)	<200	200–400	>400
Subject number	68	100	80
BC-GCN-SE	49.99	37.71	100.73	61.40
BC-GCN-SE with CF	29.37	40.33	79.35	49.92